<template>
  <div class="login">
    <el-form
      ref="loginForm"
      :inline="false"
      :model="loginForm"
      label-position="left"
      label-width="0px"
      class="login-form"
    >
      <h3 class="title">
        健康地图
      </h3>
      <el-form-item
        prop="username"
        :rules="username"
      >
        <el-input
          v-model="loginForm.username"
          type="text"
          auto-complete="off"
          style="width: 100%"
          placeholder="账号"
        >
          <template #prefix>
            <svg-icon
              icon-class="user"
              class="el-input__icon input-icon"
            />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item
        prop="password"
        :rules="password"
      >
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          style="width: 100%"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon
              icon-class="password"
              class="el-input__icon input-icon"
            />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item
        prop="code"
        :rules="code"
      >
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon
              icon-class="validCode"
              class="el-input__icon input-icon"
            />
          </template>
        </el-input>
        <div class="login-code">
          <img
            :src="codeUrl"
            @click="getCode"
          >
        </div>
      </el-form-item>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.prevent="handleLogin"
        >
          <!-- <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span> -->
          {{ !loading ? '登 录' : '登 录 中...' }}
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div
      v-if="$store.state.settings.showFooter"
      id="el-login-footer"
    >
      <span v-html="$store.state.settings.footerTxt" />
      <!-- <span> ⋅ </span> -->
      <!-- <a href="http://www.beian.miit.gov.cn" target="_blank">{{ $store.state.settings.caseNumber }}</a> -->
    </div>
  </div>
</template>

<script>
// import { encrypt } from '@/utils/rsaEncrypt'
// import Config from '@/settings'
// import { getCodeImg } from '@/api/login'
// import Cookies from 'js-cookie'
export default {
  name: 'Login',
  data() {
    return {
      codeUrl: '',
      cookiePass: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      username: [{ required: true, trigger: 'blur', message: '用户名不能为空' }],
      password: [{ required: true, trigger: 'blur', message: '密码不能为空' }],
      code: [{ required: true, trigger: 'change', message: '验证码不能为空' }],
      loading: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCode()
    this.getCookie()
  },
  methods: {
    getCode() {
      const timestamp = new Date().getTime()
      // 时间戳作为loginKey存在localStorage，登录使用
      window.localStorage.setItem('loginKey', timestamp)
      // getCodeImg(timestamp).then(res => {
      //   return 'data:image/png;base64,' + btoa(
      //     new Uint8Array(res).reduce((data, byte) => data + String.fromCharCode(byte), '')
      //   )
      // }).then(data => {
      //   this.codeUrl = data
      // })
    },
    getCookie() {
      // const username = Cookies.get('username')
      // let password = Cookies.get('password')
      // const rememberMe = Cookies.get('rememberMe')
      // // 保存cookie里面的加密后的密码
      // this.cookiePass = password === undefined ? '' : password
      // password = password === undefined ? this.loginForm.password : password
      // this.loginForm = {
      //   username: username === undefined ? this.loginForm.username : username,
      //   password: password,
      //   rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
      //   code: ''
      // }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        const user = {
          username: this.loginForm.username,
          password: this.loginForm.password,
          rememberMe: this.loginForm.rememberMe,
          code: this.loginForm.code,
          key: window.localStorage.getItem('loginKey')
        }
        if (valid) {
          this.loading = true
          // if (user.rememberMe) {
          //   Cookies.set('username', user.username, { expires: Config.passCookieExpires })
          //   Cookies.set('password', user.password, { expires: Config.passCookieExpires })
          //   Cookies.set('rememberMe', user.rememberMe, { expires: Config.passCookieExpires })
          // } else {
          //   Cookies.remove('username')
          //   Cookies.remove('password')
          //   Cookies.remove('rememberMe')
          // }
          this.$store.dispatch('Login', user).then((res) => {
            this.loading = false
            if (res.resetPasswordFlag === true) {
              this.$router.push({ path: '/changePass' })
            } else {
              this.$router.push({ path: '/dashboard' })
            }
          }).catch(() => {
            this.loading = false
            this.getCode()
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background:linear-gradient(-41deg,rgba(70,222,190,1),rgba(47,151,206,1));
    background-size: cover;
  }
  .title {
    margin                 : 0 auto 30px auto;
    text-align             : center;
    color                  : rgba(27,167,154,1);
    background             : linear-gradient(-90deg,rgba(70,222,190,1) 0%, rgba(47,151,206,1) 100%);
    background             : -ms-linear-gradient(#ffffff 0%,#ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .login-form {
    border-radius: 10px;
    background: #ffffff;
    width: 385px;
    padding: 25px 25px 5px 25px;
    box-shadow:0px 2px 17px 0px rgba(0,64,58,0.34);
    .el-input {
      height: 38px;
      input {
        height: 38px;
      }
    }
    .input-icon{
      height: 39px;width: 14px;margin-left: 2px;
    }
  }
  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }
  .login-code {
    width: 33%;
    display: inline-block;
    height: 38px;
    float: right;
    img{
      cursor: pointer;
      vertical-align:middle
    }
  }
</style>
